<template>
  <div class="swiper-container" ref="Swiper">
    <div class="swiper-wrapper">
        <div
          class="swiper-slide"
          v-for="(item, index) in skuImageList"
          :key="item.id"
          @click="changeDefaultImg(index)"
        >
        <img :src="item.imgUrl" />
      </div>
    </div>
    <div class="swiper-button-next"></div>
    <div class="swiper-button-prev"></div>
  </div>
</template>

<script>
import Swiper from "swiper"
export default {
  name: "ImageList",
  props: ["skuImageList"],
  methods:{
    changeDefaultImg(index){
      this.$bus.$emit("defaultImg",index)
    }
  },
  watch:{
    skuImageList:{
      immediate:true,
      handler(){
        this.$nextTick(()=>{
          new Swiper(this.$refs.Swiper,{
            // loop:true,// 循环模式选项
            // 如果需要分页器
            pagination:{
              el:".swiper-pagination"
            },
           // 如果需要前进后退按钮
            navigation:{
              nextEl:".swipwr-button-next",
              prevEl:".swper-button-prev"
            },
            //控制当前视口中依次展示几个slide
            slidesPerView:2,
            //每次切换走几个slide
            slidesPerGroup:2
          })
        })
      }
    }

  }
};
</script>

<style lang="less" scoped>
.swiper-container {
  height: 56px;
  width: 412px;
  box-sizing: border-box;
  padding: 0 12px;

  .swiper-slide {
    width: 56px;
    height: 56px;

    img {
      width: 100%;
      height: 100%;
      border: 1px solid #ccc;
      padding: 2px;
      width: 50px;
      height: 50px;
      display: block;

      &.active {
        border: 2px solid #f60;
        padding: 1px;
      }

      &:hover {
        border: 2px solid #f60;
        padding: 1px;
      }
    }
  }

  .swiper-button-next {
    left: auto;
    right: 0;
  }

  .swiper-button-prev {
    left: 0;
    right: auto;
  }

  .swiper-button-next,
  .swiper-button-prev {
    box-sizing: border-box;
    width: 12px;
    height: 56px;
    background: rgb(235, 235, 235);
    border: 1px solid rgb(204, 204, 204);
    top: 0;
    margin-top: 0;
    &::after {
      font-size: 12px;
    }
  }
}
</style>
